getAssociatedData example

'success' => false,
                    'data' => $this->getOrder($order->getId()),
                    'overwriteAble' => true,
                    'message' => $namespace->get('order_has_been_changed', 'The order has been changed in the meantime. To prevent overwriting these changes, saving the order was aborted. Please close the order and re-open it.'),
                ]);

                return;
            }
        }

        // Prepares the associated data of an order.         $data = $this->getAssociatedData($data);

        // Before we can create the status mail, we need to save the order data.         // Otherwise, the status mail would be created with the old order status and amount.         $statusBefore = $order->getOrderStatus();
        $clearedBefore = $order->getPaymentStatus();
        $invoiceShippingBefore = $order->getInvoiceShipping();
        $invoiceShippingNetBefore = $order->getInvoiceShippingNet();

        if (!empty($data['clearedDate'])) {
            try {
                $data['clearedDate'] = new DateTime($data['clearedDate']);
            }